Re: High load, - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: High load,
Date
Msg-id AANLkTikCF30=ji60kJbCcp_LJqMPs9TVBDv8x+uk_+pb@mail.gmail.com
Whole thread Raw
In response to Re: High load,  (Andy Colson <andy@squeakycode.net>)
List pgsql-performance
On Thu, Jan 27, 2011 at 10:20 AM, Andy Colson <andy@squeakycode.net> wrote:
> On 1/27/2011 9:09 AM, Michael Kohl wrote:
>>
>> On Thu, Jan 27, 2011 at 4:06 PM, Andy Colson<andy@squeakycode.net>  wrote:
>>>
>>> Have you run each of your queries through explain analyze lately?
>>
>> A code review including checking of queries is on our agenda.
>>
>>> You are vacuuming/autovacuuming, correct?
>>
>> Sure :-)
>>
>> Thank you,
>> Michael
>>
>
> Oh, also, when the box is really busy, have you watched vmstat to see if you
> start swapping?

Setting sysstat service to run so you can see what your disks were
doing in the last 7 days is useful too.  Makes it much easier to
figure things out afterwards when you have history of what has been
happening.

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